package com.cskaoyan.mapper;

import com.cskaoyan.bean.User;
import org.apache.ibatis.annotations.Param;

public interface UserMapper {

    // 连接查询
    User selectUserByIdCrossJoin(@Param("userId") Integer userId);

    // 分次查询
    User selectUserByIdUseMultiCount(@Param("userId") Integer userId);

}
